Main Article Content
During the covid19 outbreak, many schools try to adapt any kinds of learning Application, one of them by implementing Mobile-Assisted Language Learning (MALL). It assumed that the portability ease students to access the subject everywhere they want. This was become a challenge not only for teacher but also for pre-service teacher who had to follow the teaching training program during the pandemic. The research investigated pre-service teacher’s opinion about implementing MALL and obstacles they faced during the online classroom activities. Qualitative research method was applied in the research. Observation and interview were used for collecting the data. After doing the analysis it found that MALL affect student’s knowledge, it helped students to be easy in accessing the lesson (through ; zoom, Padlet and Google Classroom), even though it a bit affects for student’s social life and student’s health. While the obstacles faced by Pre-service teacher came from two factors; internal and external. Internal means that the obstacles came from students themselves such as lack of motivation and so on. External means that the obstacles came from outside of students such the internet connection was unstable during the learning process. Teacher need to be more creative to provide interactive lessons. It is aimed to help the students to understand the lesson easily.